protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.button_layuout);
final IntentFilter filter = new IntentFilter();
// 屏幕灭屏广播
filter.addAction(Intent.ACTION_SCREEN_OFF);
// 屏幕亮屏广播
filter.addAction(Intent.ACTION_SCREEN_ON);
// 屏幕解锁广播
filter.addAction(Intent.ACTION_USER_PRESENT);
// 当长按电源键弹出“关机”对话或者锁屏时系统会发出这个广播
// example：有时候会用到系统对话框，权限可能很高，会覆盖在锁屏界面或者“关机”对话框之上，
// 所以监听这个广播，当收到时就隐藏自己的对话，如点击pad右下角部分弹出的对话框
filter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
BroadcastReceiver mBatInfoReceiver = new BroadcastReceiver() {
final String SYSTEM_DIALOG_REASON_KEY = "reason";
//按下Home键
final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
//长按Home键
final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
@Override
public void onReceive(final Context context, final Intent intent) {
Log.d(TAG, "onReceive");
String action = intent.getAction();
if (Intent.ACTION_SCREEN_ON.equals(action)) {
Log.d(TAG, "screen on");
} else if (Intent.ACTION_SCREEN_OFF.equals(action)) {
Log.d(TAG, "screen off");
} else if (Intent.ACTION_USER_PRESENT.equals(action)) {
Log.d(TAG, "screen unlock");
} else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(intent.getAction())) {
Log.i(TAG, " receive Intent.ACTION_CLOSE_SYSTEM_DIALOGS");
String reason = intent.getStringExtra(SYSTEM_DIALOG_REASON_KEY);
if (reason != null && mOnHomeKeyListener != null) {
if (reason.equals(SYSTEM_DIALOG_REASON_HOME_KEY)) {
mOnHomeKeyListener.onHomeKeyPressed();
} else if (reason.equals(SYSTEM_DIALOG_REASON_RECENT_APPS)) {
mOnHomeKeyListener.onHomeKeyLongPressed();
}
}
}
}
};
Log.d(TAG, "registerReceiver");
registerReceiver(mBatInfoReceiver, filter);
}